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Undulatory locomotion of microorganisms like soil-dwelling worms and spermatozoa, in structured environments, is ubiquitous in nature. They navigate complex environments consisting of fluids and obstacles, negotiating hydrodynamic effects…

Fluid Dynamics · Physics 2010-10-20 Trushant S. Majmudar , Eric Keaveny , Mike Shelley , Jun Zhang

Gastrulation, namely cell internalization, is a significant milestone during the development of metazoans from worm to human, which generates multiple embryonic layers with distinct cell fates and spatial organizations. Although many…

Cell Behavior · Quantitative Biology 2022-01-17 Jiao Miao , Guoye Guan , Chao Tang

Animal pose estimation (APE) aims to locate the animal body parts using a diverse array of sensor and modality inputs (e.g. RGB cameras, LiDAR, infrared, IMU, acoustic and language cues), which is crucial for research across neuroscience,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Qianyi Deng , Oishi Deb , Amir Patel , Christian Rupprecht , Philip Torr , Niki Trigoni , Andrew Markham

Molecular networks act as the backbone of cellular activities, providing an {excellent} opportunity to understand the developmental changes in an organism. While network data usually constitute only stationary network graphs, constructing…

Molecular Networks · Quantitative Biology 2016-02-29 Pramod Shinde , Sarika Jalan

Thanks to recent technological advances, it is now possible to track with an unprecedented precision and for long periods of time the movement patterns of many living organisms in their habitat. The increasing amount of data available on…

Populations and Evolution · Quantitative Biology 2015-05-19 Denis Boyer , Peter D. Walsh

The motility behavior of the nematode Caenorhabditis elegans in polymeric solutions of varying concentrations is systematically investigated in experiments using tracking and velocimetry methods. As the polymer concentration is increased,…

Fluid Dynamics · Physics 2014-05-29 D. A. Gagnon , X. N. Shen , P. E. Arratia

C. elegans is commonly used in neuroscience for behaviour analysis because of it's compact nervous system with well-described connectivity. Localizing the animal and distinguishing between its head and tail are important tasks to track the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Mansi Ranjit Mane , Aniket Anand Deshmukh , Adam J. Iliff

Adaptive controllers on quadrotors typically rely on estimation of disturbances to ensure robust trajectory tracking. Estimating disturbances across diverse environmental contexts is challenging due to the inherent variability and…

Robotics · Computer Science 2025-09-30 Kasra Torshizi , Chak Lam Shek , Khuzema Habib , Guangyao Shi , Pratap Tokekar , Troi Williams

Animals adjust their behavioral response to sensory input adaptively depending on past experiences. The flexible brain computation is crucial for survival and is of great interest in neuroscience. The nematode C. elegans modulates its…

Neurons and Cognition · Quantitative Biology 2024-02-26 Kevin S. Chen , Anuj K. Sharma , Jonathan W. Pillow , Andrew M. Leifer

Plant parasitic nematodes cause damage to crop plants on a global scale. Robust detection on image data is a prerequisite for monitoring such nematodes, as well as for many biological studies involving the nematode C. elegans, a common…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Long Chen , Martin Strauch , Matthias Daub , Xiaochen Jiang , Marcus Jansen , Hans-Georg Luigs , Susanne Schultz-Kuhlmann , Stefan Krüssel , Dorif Merhof

In recent years, "U-shaped" neural networks featuring encoder and decoder structures have gained popularity in the field of medical image segmentation. Various variants of this model have been developed. Nevertheless, the evaluation of…

Image and Video Processing · Electrical Eng. & Systems 2023-06-02 Qi Ye , Lihua Guo

We investigate the adaptation and performance of modularity-based algorithms, designed in the scope of complex networks, to analyze the mesoscopic structure of correlation matrices. Using a multi-resolution analysis we are able to describe…

Data Analysis, Statistics and Probability · Physics 2011-03-31 Clara Granell , Sergio Gomez , Alex Arenas

Self-propelling organisms locomote via generation of patterns of self-deformation. Despite the diversity of body plans, internal actuation schemes and environments in limbless vertebrates and invertebrates, such organisms often use similar…

We apply topological data analysis to the behavior of C. elegans, a widely-studied model organism in biology. In particular, we use topology to produce a quantitative summary of complex behavior which may be applied to high-throughput data.…

Algebraic Topology · Mathematics 2021-07-23 Ashleigh Thomas , Kathleen Bates , Alex Elchesen , Iryna Hartsock , Hang Lu , Peter Bubenik

The swimming behaviour of microorganisms can be strongly influenced by the rheology of their fluid environment. In this manuscript, we experimentally investigate the effects of shear-thinning viscosity on the swimming behaviour of an…

Fluid Dynamics · Physics 2015-06-22 David A. Gagnon , Nathan C. Keim , Paulo E. Arratia

Nematodes have evolved to swim in highly viscous environments. Artificial mechanisms that mimic the locomotory functions of nematodes can be efficient viscous pumps. We experimentally simulate the motion of the head segment of…

Fluid Dynamics · Physics 2019-02-07 Ahmad Zareei , Mir Abbas Jalali , Mohsen Saadat , Peter Grenfell , Mohammad-Reza Alam

Nematode species are well-known for their invariant cell lineage pattern during development. Combining knowledge about the fate specification induced by asymmetric division and the anti-correlation between cell cycle length and cell volume…

Cell Behavior · Quantitative Biology 2021-03-24 Guoye Guan , Ming-Kin Wong , Zhongying Zhao , Lei-Han Tang , Chao Tang

Background modeling and subtraction is a promising research area with a variety of applications for video surveillance. Recent years have witnessed a proliferation of effective learning-based deep neural networks in this area. However, the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Synh Viet-Uyen Ha , Cuong Tien Nguyen , Hung Ngoc Phan , Nhat Minh Chung , Phuong Hoai Ha

Finding an optimal correspondence between point sets is a common task in computer vision. Existing techniques assume relatively simple relationships among points and do not guarantee an optimal match. We introduce an algorithm capable of…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Andrew Lauziere , Ryan Christensen , Hari Shroff , Radu Balan

Geometric mechanics provides valuable insights into how biological and robotic systems use changes in shape to move by mechanically interacting with their environment. In high-friction environments it provides that the entire interaction is…

Robotics · Computer Science 2026-01-21 Zvi Chapnik , Yizhar Or , Shai Revzen